regDIF: Regularized Differential Item Functioning

Performs regularization of differential item functioning (DIF) parameters in item response theory (IRT) models (Belzak & Bauer, 2020) <https://pubmed.ncbi.nlm.nih.gov/31916799/> using a penalized expectation-maximization algorithm.

Version: 1.0.0
Imports: stats (> 3.0.0), utils, statmod
Suggests: knitr, testthat (≥ 2.1.0), covr, rmarkdown
Published: 2021-06-22
Author: William Belzak
Maintainer: William Belzak <wbelzak at gmail.com>
License: MIT + file LICENSE
NeedsCompilation: yes
Citation: regDIF citation info
Materials: README NEWS
CRAN checks: regDIF results

Documentation:

Reference manual: regDIF.pdf
Vignettes: Getting started with regDIF

Downloads:

Package source: regDIF_1.0.0.tar.gz
Windows binaries: r-devel: regDIF_1.0.0.zip, r-devel-UCRT: regDIF_1.0.0.zip, r-release: regDIF_1.0.0.zip, r-oldrel: regDIF_1.0.0.zip
macOS binaries: r-release (arm64): regDIF_1.0.0.tgz, r-release (x86_64): regDIF_1.0.0.tgz, r-oldrel: regDIF_1.0.0.tgz

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